Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ANTHONY C ONYEGBULA D.O.
NPI 1477647410
Internal Medicine - Hematology & Oncology in Riverdale, GA

Active since October 03, 2006PECOS Enrolled
465 UPPER RIVERDALE RD SW STE 3-4, RIVERDALE, GA 30274(770) 629-2337(888) 651-5324 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Anthony C Onyegbula D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANTHONY C ONYEGBULA D.O. (NPI 1477647410) is an individual hematology & oncology provider in Riverdale, Georgia, licensed in Georgia (053348) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Grady Memorial Hospital, and is a graduate of Michigan State University College Of Human Medicine (1996).

NPPES Registry Identity

NPI1477647410
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. ANTHONY C ONYEGBULACredential: D.O.
Location Address465 UPPER RIVERDALE RD SW STE 3-4Riverdale, GA 30274-2529
Mailing AddressPo Box 1710Stockbridge, GA 30281-8710 · (770) 629-2337 · Fax (888) 651-5324
Fax(888) 651-5324
Sole ProprietorYes
Medical School CMSMichigan State University College Of Human MedicineGraduated 1996
Enumeration DateOctober 3, 2006
Last NPPES UpdateAugust 6, 2026
NPPES CertifiedAugust 6, 2026
NPI 1477647410 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in GA · 053348
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License 53348 (GA)
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 53348 (GA)
465 UPPER RIVERDALE RD SW STE 3-4, Riverdale, GA 30274

Other Identifiers 1

Medicaid696378996BGA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Anthony C Onyegbula D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991691644
PECOS Enrollment IDI20040227000557
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
985 services58 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
280 services61 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
214 services11 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
131 services32 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
51 services49 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
19 services11 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Grady Memorial Hospital

Acute Care Hospitals · Atlanta, GA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110079
Location80 Jesse Hill, Jr Drive SEAtlanta, GA 30303 · Fulton County
Emergency services Birthing friendly

Atrium Health Navicent The Medical Center

Acute Care Hospitals · Macon, GA
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110107
Location777 Hemlock StreetMacon, GA 31201 · Bibb County
Emergency services Birthing friendly

Piedmont Henry Hospital

Acute Care Hospitals · Stockbridge, GA
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110191
Location1133 Eagle's Landing ParkwayStockbridge, GA 30281 · Henry County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30274 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$172.43 typical visit price
range $56.84 – $172.43
Typical copayment $43.10 (range $14.21 – $43.10)
Most-billed visit code 99205
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Specialist
465 UPPER RIVERDALE RD SW STE 3-4
RIVERDALE, GA 30274

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Anthony Onyegbula's NPI number?

The NPI number for Anthony Onyegbula is 1477647410. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Where is Anthony Onyegbula located?

Anthony Onyegbula practices at 465 Upper Riverdale Rd SW Ste 3-4, Riverdale, GA 30274. The listed phone number is (770) 629-2337.

What is Anthony Onyegbula's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Anthony Onyegbula enrolled in Medicare?

Yes. Anthony Onyegbula is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Anthony Onyegbula affiliated with any hospitals?

According to CMS data, Anthony Onyegbula is affiliated with Grady Memorial Hospital, Atrium Health Navicent The Medical Center and Piedmont Henry Hospital.

When was this NPI record last updated?

The NPPES record for Anthony Onyegbula was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.